Water-purifying apparatus.



No. 767,049. PATENTED AUG. 9, 1904.

A W. H. GREEN.

WATER PURIPYING APPARATUS.

APPLICATION TILED APB..15,1904.

N0 MODEL. 2 QHBETS-BHBET 1.

g. lllfl sun @M Ma 2 SHEETS-411E111 2.

PATENTED AUG. 9, 1904.

five/ 72% v $71 611 Q7662 W. H. GREEN.

WATER PURIFYING APPARATUS.

APPLICATION FILED APB..15, 1904.

K0 MODEL.

UNITED STATES Patented August 9, 1904.

PATENT OFFICE.

W'ALTER H. GREEN, OF CHICAGO, ILLINOIS, ASSIGNOR TO KENNICOTTlVATER-SOFTENER COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OFILLINOIS.

WATER-PURIFYING APPARATUS.

sPEGIFIGATION forming part of Letters Patent No. 767,049, dated August9, 1904. Application filed April 15,1904. Serial No. 203,325. (Nomodel.)

To all whom it may concern.-

Be it known that I, WALTER H. Gnu EN, a citi zen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented a new and useful Improvement in WVater-Purifying Apparatus, ofwhich the following is a specification.

My invention relates to an improvement in the class of apparatus forchemically treating water the better to adapt it for industrial purposesby relieving it of its contained impurities which tend to render itinjurious, particularly in the way of forming scale in steamgeneratingboilers.

The primary object of my invention is to reduce the expense of operatingthe apparatus by providing for the utilization of the power of the flowinto it of the raw water to be treated for generating air-pressure powerfor automatic stirring, lifting, andother necessary and usefuloperations therein.

Referring to the accompanying drawings, Figure 1 is a view in elevationof a water softening apparatus embodying my invention; Fig. 2, anenlarged view of the chemical-solution tank in vertical sectionalelevation, and Fig. 3 a section taken at the line 3 on Fig. 2 and viewedin the direction of the arrow.

A is the precipitating-tank, which may be that of United States LettersPatent N o. -64:6,108, dated March 27, 1900, to Cass L. Kennicott, or itmay involve any'other suitable construction. It is shown to besurmounted by a chel'nical-solution tank B, adjacent to which isjournaled to rock on its support a tilting receptacle C, that shownbeing like and for the purpose of the one represented in United StatesLetters Patent to the aforesaid Kennicott, No. 732,357, dated June 30,1903, though, as herein shown, the solution-dipping cups cooperatingwith the receptacle are actuated in accordance with my improvement uponthe device of the lastnamed patent forming the subject of myapplication, Serial No. 203,324, filed concurrently herewith on the 15thday of April, 1 904:. The receptacle C, which is scoop-shaped toward itsoppositeends and contains a central partition a, coinciding with theapex of its base, at which it is shown to be pivoted, is rocked by theforce of the flow into it of the raw water to be purified pouring fromapipe 5, whereby the rocking of* the receptacle causes its chambers tofill alternately with the raw water. Moreover, the rocking of thereceptacle to the positions indicated by dotted lines causes thechambers therein to be supplied alternately with chemical solution fromthe tank B in proper proportion for mixture with the charge of the rawwater filled into each chamber. This automatic supply takes placethrough the medium of cups, one of which is shown at c, on a rope (Z orother fiexiblemedium dipping into the tank, wherein it carries the cupsreferred to and whence it passes over guide-pulleys, as shown, and isfastened at its ends to the ends of the tilt ing receptacle. Thus as thereceptacle rocks in one direction it draws downward the respective endof the rope, raising the cup 0, which discharges the solution raised byit out of the tank B into a trough or hopper 0, discharging into thehigher of the two chambers in the tilting receptacle, and as the latterrocks in the opposite direction it draws clownward on the rope,accordingly to lower the previously-raised cup for rclilling it andraising the other filled cup to the point of discharge into the hoppera.

With the receptacle C is connected an aircompressor, shown as anair-pump D, which may involve any suitable construction, to be actuatedby the motion of the rocking receptaclethus from the power of the waterto be treated flowing into the apparatus. A valveequipped air-pipe fleads from the discharge side of the pump to a compressed-air reservoirE, and a valved branch g extends into the chemical-solution tank B fromits upper end and to the bottom part of the latter, where it terminatesin a pipe-coil g, provided with,

agitate them and eifect the constant stirring to which they require tobe subjected for maintaining the proper strength of the solution. Theaction of the pump, furthermore, supplies air-pressure into the holderE, which is shown to communicate through a valved pipe 2' with areservoir F, serving as a mixing-tank, from near the base of which avalved discharge-pipe k leads into the tank B. A receptacle G, which mayserve for containing the soda solution, discharges through a valved pipeZ into the reservoir F, and a receptacle H, which may be the lime-slakerboX, discharges into the reservoir through a valved pipe on. The supplyof the chemical solution to the tank B may be fed thereto at desiredintervals from the reservoir F by admitting therein from the reservoir Eair-pressure the power of which exerted upon the contents of the holderF raises them through the pipe is into the tank B.

The foregoing portray two specific useful purposes to which to apply theotherwise waste power of the inflowing water to be treated in theapparatus, and it may be applied therein with equal advantage to variousother purposes and in other ways, all of which it is my intention toinclude within my invention. The general and particular arrangement ofthe mechanism for the two specified purposes is, however, peculiarlyeiflcacious in accomplishing them.

That 1 claim as new, and desire to secure by Letters Patent, is

1. In a water-purifying apparatus of the character described, thecombination with the supply-pipe for the water to be treated, of aprecipitating-tank, a chemical-solution holder discharging into saidtank and an air-compressor actuated by the flow of said Water to theapparatus to generate air-pressure for use therein.

2. In a water-purifying apparatus, the combination of an air-pump, powermechanism connected with said pump and driven to actuate the latter bythe force of the water to be treated flowing into said apparatus, and apipe or pipes for directing the air-pressure from said pump to one ormore parts of said apparatus for use therein.

3. In a water-purifying apparatus, the combination of an air-pump, powermechanism connected with said pump and driven to actuate the latter bythe force of the water to be treated flowing into said apparatus, anairpressure reservoir into which said pump discharges, and a pipeleading from said reservoir to direct air-pressure therefrom to a partof said apparatus for use therein.

4. In a water-purifying apparatus, the combination of an air-pump, powermechanism connected with said pump and driven to actuate the latter bythe force of the water to be treated flowing into said apparatus, achemical-solution tank, a perforated air-pipe therein and a pipe leadingfrom said pump to said air-pipe, substantially as and for the purposeset forth. 1

5. In a water-purifying apparatus, the combination of an airpump, powermechanism connected with said pump and driven to actuate the latter bythe force of the water to be treated flowing into said apparatus, achemicalso lution tank, an air-pressure reservoir into which said pumpdischarges, a mixing-tank having a pipe connection with saidsolutiontank, and a pipe connection between said reservoir andmixing-tank, substantially as and for the purpose set forth.

6. In a water-purifying apparatus, the combination of an air -pump,power mechanism connected with said pump and driven to actuate thelatter by the force of the water flowing into said apparatus, achemical-solution tank, an air-pressure reservoir into which said pumpdischarges, a mixing-tank supported below the plane of saidsolution-tank, one or more chemical holders discharging into saidmixing-tank, a pipe rising from said mixing-tank and discharging intosaid solution-tank, and a pipe connection between said reservoir andmixing-tank, substantially as and for the purpose set forth.

7 In awater-purifying apparatus, the combination of an air pump, powermechanism connected with said pump and driven to actuate the latter bythe force of the water flowing into said apparatus, a chemical-solutiontank, aperforated air-pipe therein and a pipe leading from said pump tosaid air-pipe, an airpressure reservoir into which said pump discharges,a mixing-tank having a pipe connection with said solution-tank, and apipe connection between said reservoir and mixingtank, substantially asand for the purpose set forth.

8. In a water-purifying apparatus, the combination with theprecipitating-tank of a receptacle supported in the path of flow to saidtank of the water to be treated and to be actuated by said flow todischarge into said tank, a chemical-solution tank from which thesolution is supplied to said water, an air pump connected with saidreceptacle to be actuated by the power of its movement, and a pipeleading from said pump to one or more parts of said apparatus forutilizing therein the airpressure.

9. In a water-purifying apparatus, the combination with theprecipitating-tank, of a receptacle supported in the path of flow tosaid tank of the water to be treated and to be actuated by said flow todischarge into said tank, a chemical-solution tank from which thesolution is supplied to said water, an air -pump connected with saidreceptacle to be actuated by the power of its movement, a perforatedair-pipe in said solution-tank and a pipe leading from said pump to saidair-pipe, substantially as and for the purpose set forth.

by the power of its movement, a perforated V air-pipe in saidsolution-tank having a pipe connectlon with the dlscharge side of saldpump, an air-pressure reservoir into which said pump discharges, amixing-tank having a pipe connection with said solution-tank and a pipeconnection between said reservoir and mixing-tank, substantially as andfor the purpose set lorth.

WALTER H. GREEN.

In presence of- WALTER N. WINBERG, ALMA U. Trronmn.

